I am thrilled to show you the cover for my forthcoming book with National Geographic Kids, entitled Dog Days of History. It’s the history of the human/dog relationship from ancient times to the present. Releasing March 27th, 2018!
Canned food, in heavy iron cans, was invented for the British Navy in 1813. But can openers were not invented until the 1860s. Before then, people opened cans with a hammer and chisel.
source: The Boy Who Invented the Popsicle, by Don L. Wulffson